AU2021102547A4 - A Liquid-Liquid-Solid Three-Phase Separation Device For Waste Oil - Google Patents
A Liquid-Liquid-Solid Three-Phase Separation Device For Waste Oil Download PDFInfo
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- AU2021102547A4 AU2021102547A4 AU2021102547A AU2021102547A AU2021102547A4 AU 2021102547 A4 AU2021102547 A4 AU 2021102547A4 AU 2021102547 A AU2021102547 A AU 2021102547A AU 2021102547 A AU2021102547 A AU 2021102547A AU 2021102547 A4 AU2021102547 A4 AU 2021102547A4
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- desolidification
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- 239000007787 solid Substances 0.000 title claims abstract description 59
- 238000005191 phase separation Methods 0.000 title claims abstract description 23
- 239000002699 waste material Substances 0.000 title abstract description 8
- 238000000926 separation method Methods 0.000 claims abstract description 57
- 238000010438 heat treatment Methods 0.000 claims abstract description 33
- 239000002440 industrial waste Substances 0.000 claims abstract description 26
- 239000002245 particle Substances 0.000 claims abstract description 12
- 230000005684 electric field Effects 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 230000007246 mechanism Effects 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000000839 emulsion Substances 0.000 abstract description 9
- 208000005156 Dehydration Diseases 0.000 abstract description 8
- 230000018044 dehydration Effects 0.000 abstract description 8
- 238000006297 dehydration reaction Methods 0.000 abstract description 8
- 230000009471 action Effects 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 238000007711 solidification Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 63
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 8
- 238000000746 purification Methods 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004581 coalescence Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005111 flow chemistry technique Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002569 water oil cream Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0217—Separation of non-miscible liquids by centrifugal force
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cyclones (AREA)
Abstract
The invention discloses a liquid-liquid-solid three-phase separation device for waste oil,
which comprises an oil bath heating tank, a cyclone separation unit and a desolidification unit.
A number of cyclone separation units are arranged in the oil bath heating tank. The cyclone
separation unit is fixed in the oil bath heating tank. The desolidification unit is connected with
the underflow pipe of the cyclone separation unit, and the desolidification unit is used to
separate solid particles in the liquid flowing in from the underflow pipe. The desolidification
outer pipe is arranged at the bottom flow end of the cyclone separation unit. The second
connector is arranged at the end of the de-solidification outer pipe, and the de-solidification
inner pipe is arranged at the underflow port of the underflow pipe to form a de-solidification
gap. The invention provides a liquid-liquid-solid three-phase separation device for waste oil,
which overcomes the shortcomings of conventional separation processes in view of the
characteristics of industrial waste oil emulsions. Under the action of an electric field, the
emulsified droplets can quickly coalesce and increase to achieve the liquid-liquid-solid three
phase separation. It can not only realize the demulsification and dehydration treatment of
industrial waste oil emulsion, but also realize the separation of solid particles. It has good
application prospects and good economic value and social benefits.
22 13 146 16
Figure 1
,23
22
High-voltage' J 7 .r
Power Supply, 27,
24 25 26
Figure 2
31 28
............
., 0 * 0 gooa
90 0 0
29 Solid Particles 27/ Solid +Water \3
Figure 3
Description
22 13 146 16
Figure 1
,23 22
High-voltage' Power Supply, J 7 .r
27,
24 25 26
Figure 2
31 28
., 0 * 0 gooa
90 0 0
29 Solid Particles 27/ Solid +Water \3
Figure 3
Descriptions
A Liquid-liquid-solid Three-phase Separation Device for Waste Oil
Technical Field
[0001] The present invention relates to the technical field of waste oil treatment, in particular to a liquid-liquid-solid three-phase separation device for waste oil.
Background Technology
[0002] Lubricating oil, as the blood of industry, is widely used in the fields of machinery, electric power, transportation and chemical industry, and it is easy to form industrial waste oil during storage, transportation, filling and use. Industrial waste oil contains a lot of impurities, including solid particles, colloids, and water, which aggravate the corrosion and wear of equipment. With such a scarcity of petroleum resources, the resource utilization of industrial waste oil has extremely important practical significance for environmental protection and national strategies. In many industrial waste oil recycling processes, the first step is to carry out dehydration purification and desolidification treatment. At present, the removal of solid particles is mainly based on filtration. However, if the filter is used for a long time, the filter screen will be blocked, which will reduce the inlet flow rate of the separation device and affect the separation effect. For waste oil emulsions with complex components, it is difficult to achieve efficient and economical dehydration purification and solidification treatment with a single process method or means. The combined use of two or more processes or operating units can greatly improve the efficiency of industrial waste oil dehydration purification and solidification treatment, which is the mainstream of the future development of industrial waste oil purification technology.
Invention Summary
[0003] In view of this, the purpose of the present invention is to provide a liquid-liquid-solid three-phase separation device for industrial waste oil. The device combines various process methods and operation units such as oil bath heating, electricfield polarization coalescence, cyclone centrifugal separation and desolidification unit, etc., to realize the liquid-liquid-solid three-phase low-consumption and high-efficient separation of industrial waste oil.
[0004] In order to achieve the above objective, the present invention provides the following technical solutions:
[0005] A liquid-liquid-solid three-phase separation device for industrial waste oil provided by the present invention comprises an oil bath heating tank, a cyclone separation unit and a desolidification unit. A number of cyclone separation units are arranged in the oil bath heating tank, and a support steel plate is arranged on the tank body of the oil bath heating tank. The cyclone separation unit is fixed in the oil bath heating tank through the support steel plate. The desolidification unit is connected to the underflow pipe of the cyclone separation unit, and the desolidification unit is used to separate solid particles in the liquid flowing in from the underflow pipe.
[0006] Further, the desolidification unit comprises a first connector, a desolidification outer pipe, a desolidification inner pipe and a second connector. The desolidification outer pipe is arranged at the end ol the undertlow pipe o the cyclone separation unit through the first connector. The second connector is arranged at the end of the desolidification outer pipe, and the desolidification inner pipe is arranged at the underflow port of the underflow pipe through the second connector, so as to be suitable for forming a desolidification gap between the desolidification inner pipe and the underflow pipe. The desolidification outer pipe is provided with a solid discharging port.
[0007] Further, the cyclone separation unit comprises an overflow pipe, a cyclone cavity section, a double cone section and an underflow pipe. The overflow pipe is arranged at one end of the cyclone cavity section, the other end of the cyclone cavity section is provided with a double cone section, the other end of the double cone section is provided with an underflow pipe, and the positive electrode of the high-voltage power supply is provided on the overflow pipe, the cylindrical wall of the cyclone cavity is provided with a negative electrode, which is suitable for generating a high-voltage pulse electric field in the cyclone cavity.
[0008] Further, the cyclone separation unit includes an overflow pipe diameter adjustment mechanism. The overflow pipe diameter adjustment mechanism includes a control motor and a rotating baffle. The rotating baffle is arranged along the radial direction of the overflow pipe, and the rotating baffle is connected to the control motor through a transmission unit so as to be adapted to drive the rotating baffle to change the equivalent diameter of the overflow pipe when the control motor rotates.
[0009] Further, the desolidification gap refers to the distance between the solid inner pipe and the underflow pipe of the cyclone separation unit. The change of the desolidification gap is realized by changing the distance between the desolidification inner pipe and the underflow pipe of the cyclone separation unit.
[0010] Further, the overflow pipe is provided with an overflow port, and the overflow port is connected by an overflow port connecting pipe. The underflow pipe is provided with an underflow port, and the underflow port is connected by an underflow port connecting pipe. The solid discharging port is connected by a solid drainage port connecting pipe. An oil inlet is provided on the cyclone cavity section, and the oil inlet is connected by an oil inlet connecting pipe.
[0011] The total overflow port, the total solid drain port, the total underflow port and the total oil inlet are arranged below the oil bath heating tank. The total overflow port is connected with the overflow port connecting pipe. The total solid discharging port is connected with a solid drainage port connecting pipe. The total underflow port is connected with the underflow port connecting pipe. The main oil inlet is connected with the oil inlet connecting pipe.
[0012] Further, the oil bath heating tank is provided with a heating oil inlet.
[0013] Further, the oil bath heating tank is provided with an exhaust port, and the exhaust port is provided with an exhaust valve for controlling the flow rate of the exhaust port.
[0014] Further, the cyclone separation unit is fixed in the oil bath heating tank by two support steel plates.
[0015] The beneficial effects of the present invention are:
[0016] The liquid-liquid-solid three-phase separation device provided by the invention is aimed at the characteristics of industrial waste oil emulsions and overcomes the shortcomings of conventional separation processes. The viscosity of the emulsion oil and its surface tension are reduced by the external oil bath heating, and the emulsion droplets rapidly coalesce and increase under the action of an electric field. Under the action of the cyclone centrifugal field, the liquid-liquid-solid three-phase separation can be realized; it can not only realize the demulsitication and dehydration treatment of industrial waste oil emulsion, but also realize the separation of solid particles. Compared with traditional methods, it greatly shortens the time of demulsification and desolidification, reduces the energy consumption of oil purification, and has good application prospects and good economic value and social benefits.
[0017] Other advantages, objectives and features of the present invention will be explained in the following description to a certain extent. And to a certain extent, it will be obvious to technicians in the field based on the following investigation and research, or can be taught from the practice of the present invention. The objectives and other advantages of the present invention can be realized and obtained through the following description.
Brief Description of Drawings
[0018] In order to make the objectives, technical solutions and beneficial effects of the present invention clearer, the present invention provides the following drawings for illustration:
[0019] Figure 1 is a liquid-liquid-solid three-phase separation device.
[0020] Figure 2 is a compound double-cone section double tangential cyclone separation unit.
[0021] Figure 3 is a desolidification unit.
[0022] In the figure, 1. Compound double-cone section and double tangential cyclone separation unit; 2. Overflow port connecting pipe; 3. Heating oil inlet; 4. Exhaust port; 5. Exhaust valve; 6. Support steel plate 1; 7. Support steel plate 2; 8. Drainage port connecting pipe 9. Underflow port connecting pipe; 10. Total overflow port; 11. Total oil inlet port; 12. Oil inlet connecting pipe; 13. Drain port; 14. Oil bath heating tank; 15. Total drain port; 16. Total bottom flow port; 17, Heating oil outlet; 18. Overflow port; 19 , Copper overflow pipe; 20, Overflow pipe diameter adjustment mechanism 21, Sealing ring; 22, Underflow pipe gap adjustment mechanism; 23, Underflow port; 24, Insulating sleeve; 25, Flange; 26, Oil inlet; 27. Drainage port; 28. Desolidification inner pipe; 29. External threaded joint 1; 30. External threaded joint 2; 31. Desolidification outer pipe.
Detailed Description of the Presently Preferred Embodiments
[0023] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so that those the technicians in the field can better understand and implement the present invention, but the examples cited are not intended to limit the present invention.
[0024] As shown in the figure, this embodiment provides a liquid-liquid-solid three-phase separation device for waste oil comprises oil bath heating tank, a cyclone separation unit and a desolidification unit. A number of cyclone separation units are arranged in the oil bath heating tank, and the cyclone separation unit is fixed on the tank body of the oil bath heating tank by two support steel plates. The cyclone separation unit is provided with an underflow pipe, the underflow port of the underflow pipe is provided with a desolidification unit, and the underflow pipe and the desolidification unit are connected by a thread.
[0025] The desolidification unit comprises a first connector, a desolidification outer pipe, a desolidification inner pipe and a second connector. The desolidification outer pipe is arranged at the end of the underflow pipe of the cyclone separation unit through the first connector. The second connector is arranged at the end of the desolidification outer pipe, and the desolidification inner pipe is arranged in the middle of the second connector and is used for fixing the desolidification inner pipe, so as to be suitable for forming a desolidification gap between the desolidiication inner pipe and the undertlow pipe. The desolidiication outer pipe is provided with a solid discharging port. The cyclone separation unit includes an overflow pipe diameter adjustment mechanism. The overflow pipe diameter adjustment mechanism includes a control motor and a rotating baffle. The rotating baffle is arranged along the radial direction of the overflow pipe, and the rotating baffle is connected to the control motor through a transmission unit so as to be adapted to drive the rotating baffle to change the equivalent diameter of the overflow pipe when the control motor rotates. The desolidification gap refers to the distance between the solid inner pipe and the underflow pipe of the cyclone separation unit. The change of the desolidification gap is realized by changing the distance between the desolidification inner pipe and the underflow pipe of the cyclone separation unit.
[0026] The cyclone separation unit includes a double cone section, the underflow pipe and an overflow pipe. The overflow pipe is provided at one end of the double cone section, and the underflow pipe is provided at the other end of the double cone pipe. The positive electrode of the high-voltage power supply is provided on the overflow pipe, and the double cone section is the negative electrode, which is suitable for generating a high-voltage pulse electric field in the internal cavity of the double-cone section, and is suitable for forming a high-voltage electric field in the region between the outer wall of the overflow pipe and the inner wall of the straight pipe section.
[0027] The overflow pipe is provided with an overflow port, and the overflow port is connected by an overflow port connecting pipe. The underflow pipe is provided with an underflow port, and the underflow port is connected by an underflow port connecting pipe. The solid discharging port is connected by a solid drainage port connecting pipe. The oil inlet is provided on the cyclone cavity section, and the oil inlet is connected by an oil inlet connecting pipe.
[0028] The total overflow port, a total solid drain port, a total underflow port and a total oil inlet are arranged below the oil bath heating tank. The total overflow port is connected with the overflow port connecting pipe. The total solid discharging port is connected with a solid discharging port connecting pipe. The total underflow port is connected with the underflow port connecting pipe. The main oil inlet is connected with the oil inlet connecting pipe.
[0029] In the separation device provided in this embodiment, in order to meet the large flow processing requirements of the three-phase separation device, a plurality of cyclone separation units are installed in the oil bath heating tank, and they are fixed by two bracket steel plates. A heating oil inlet is arranged above the tank body, and a heating oil outlet and an emptying port are arranged below. Since gas may be generated during the demulsification process, which increases the pressure in the tank body, affects the demulsification effect and even damages the tank body, an exhaust port and an exhaust valve are set above the tank body, and a pressure gauge is installed. It is convenient for the staff to observe the strength of the internal pressure of the heating tank during the demulsification process, so as to judge whether it is necessary to exhaust.
[0030] The device uses a double tangential inlet double cone symmetrical cyclone separation device as the body structure, and a high-voltage electrode is embedded in the device overflow pipe to form a coupling of a high-voltage pulse electric field and a cyclone centrifugal field on the structure, and the emulsion enters the coalescence increases after the electric field. At the same time, the large droplets are separated under the action of the centrifugal field to realize the demulsification and dehydration treatment of the oil-water emulsion. In addition, a desolidification unit is installed at the bottom flow port to remove solid particles in industrial waste oil, which avoids the installation o1 a pre-tilter unit, and realizes rapid, efficient and economical dehydration purification and solid-removal treatment of industrial waste oil.
[0031] The composite double tangential inlet double cone cyclone separation unit provided by this embodiment includes an overflow pipe copper electrode, a high-voltage pulse power supply, an underflow pipe desolidification unit, an overflow pipe diameter adjustment mechanism, and an underflow pipe gap adjustment mechanism. In order to ensure the same flow rate of the two tangential oil inlets, a three-way pipe is installed on the oil supply pipeline of the compound double-cone section and double tangential cyclone separation unit. The copper overflow pipe in the cyclone separator is connected to the positive pole of the high-voltage power supply, and the cylinder of the cyclone device is grounded as the negative electrode, so that a high-voltage pulse electric field is generated in the cavity of the cyclone separator. After the industrial waste oil enters the device, it rapidly rises under the heating condition of the oil bath, which reduces the viscosity and surface tension of the emulsion. At the same time, the emulsified droplets are deformed under the action of the electric field, which increases the collision frequency between the emulsified droplets and the probability of the interface film rupture, which makes the emulsified droplets rapidly coalesce and increases, which facilitates the cyclone dehydration process. Under the action of the cyclone centrifugal field, water separates from the oil and gathers near the wall of the cyclone separation unit, and swirls downward into the underflow pipe of the cyclone separation unit. The oil collects in the axial center of the device and forms a reverse flow to flow out from the overflow of the device. The separated water contains a large amount of solid particles and flows down into the underflow pipe of the cyclone separation unit. In order to realize solid-liquid separation, the bottom outflow port of the cyclone separation unit is modified, and a solid-removing unit is installed. The solid particles are separated from the water under the action of centrifugal force and discharged through the solid-liquid removal port, and the water is discharged from the solid-removing inner pipe. After that, the industrial waste oil liquid-liquid-solid three-phase separation process is completed. In addition, the cyclone separation unit is equipped with a top overflow pipe diameter adjustment mechanism and a tail bottom flow pipe gap adjustment mechanism, which can be adjusted according to the operating parameters of the separation device and the oil-water-solid three-phase characteristics to maximize the separation effect. Among them, the overflow pipe diameter adjustment mechanism includes a control motor and a rotatable baffle, and the motor drives the rotatable baffle to a suitable position to change the equivalent diameter of the overflow pipe. The clearance of the underflow tube is determined by the extension length of the underflow tube in the desolidification unit.
[0032] The above-mentioned embodiments are only preferred embodiments for fully illustrating the present invention, and the protection scope of the present invention is not limited thereto. Equivalent substitutions or alterations made by those the technicians in the field on the basis of the present invention are all within the protection scope of the present invention. The protection scope of the present invention is subject to the claims.
Claims (9)
- Claims 1. A liquid-liquid-solid three-phase separation device for industrial waste oil, which is characterized in that it comprises an oil bath heating tank, a cyclone separation unit and a desolidification unit. A number of cyclone separation units are arranged in the oil bath heating tank, and a support steel plate is arranged on the tank body of the oil bath heating tank. The cyclone separation unit is fixed in the oil bath heating tank through the support steel plate. The desolidification unit is connected to the underflow pipe of the cyclone separation unit, and the desolidification unit is used to separate solid particles in the liquid flowing in from the underflow pipe.
- 2. A liquid-liquid-solid three-phase separation device for industrial waste oil according to Claim 1, which is characterized in that the desolidification unit comprises a first connector, a desolidification outer pipe, a desolidification inner pipe and a second connector. The desolidification outer pipe is arranged at the end of the underflow pipe of the cyclone separation unit through the first connector. The second connector is arranged at the end of the desolidification outer pipe, and the desolidification inner pipe is arranged at the underflow port of the underflow pipe through the second connector, so as to be suitable for forming a desolidification gap between the desolidification inner pipe and the underflow pipe. The desolidification outer pipe is provided with a solid discharging port.
- 3. A liquid-liquid-solid three-phase separation device for industrial waste oil according to Claim 1, which is characterized in that the cyclone separation unit comprises an overflow pipe, a cyclone cavity section, a double cone section and an underflow pipe. The overflow pipe is arranged at one end of the cyclone cavity section, the other end of the cyclone cavity section is provided with a double cone section, the other end of the double cone section is provided with an underflow pipe, and the positive electrode of the high-voltage power supply is provided on the overflow pipe, the cylindrical wall of the cyclone cavity is provided with a negative electrode, which is suitable for generating a high-voltage pulse electric field in the cyclone cavity.
- 4. A liquid-liquid-solid three-phase separation device for industrial waste oil according to Claim 3, which is characterized in that the cyclone separation unit includes an overflow pipe diameter adjustment mechanism. The overflow pipe diameter adjustment mechanism includes a control motor and a rotating baffle. The rotating baffle is arranged along the radial direction of the overflow pipe, and the rotating baffle is connected to the control motor through a transmission unit so as to be adapted to drive the rotating baffle to change the equivalent diameter of the overflow pipe when the control motor rotates.
- 5. A liquid-liquid-solid three-phase separation device for industrial waste oil according to Claim 2, which is characterized in that the desolidification gap refers to the distance between the solid inner pipe and the underflow pipe of the cyclone separation unit. The change of the desolidification gap is realized by changing the distance between the desolidification inner pipe and the underflow pipe of the cyclone separation unit.
- 6. A liquid-liquid-solid three-phase separation device for industrial waste oil according to Claim 3, which is characterized in that the overflow pipe is provided with an overflow port, and the overflow port is connected by an overflow port connecting pipe. The underflow pipe is provided with an underflow port, and the underflow port is connected by an underflow port connecting pipe. The solid discharging port is connected by a solid drainage port connecting pipe. The oil inlet is provided on the cyclone cavity section, and the oil inlet is connected by an oil inlet connecting pipe.
- 7. A liquid-liquid-solid three-phase separation device for industrial waste oil according to Claim 3, which is characterized in that a total overflow port, a total solid drain port, a total underflow port and a total oil inlet are arranged below the oil bath heating tank. The total overflow port is connected with the overflow port connecting pipe. The total solid discharging port is connected with a solid drainage port connecting pipe. The total underflow port is connected with the underflow port connecting pipe. The main oil inlet is connected with the oil inlet connecting pipe.
- 8. A liquid-liquid-solid three-phase separation device for industrial waste oil according to Claim 1, which is characterized in that the oil bath heating tank is provided with an exhaust port, and the exhaust port is provided with an exhaust valve for controlling the flow rate of the exhaust port.
- 9. A liquid-liquid-solid three-phase separation device for industrial waste oil according to Claim 1, which is characterized in that the cyclone separation unit is fixed in the oil bath heating tank by two support steel plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2021102547A AU2021102547A4 (en) | 2021-05-13 | 2021-05-13 | A Liquid-Liquid-Solid Three-Phase Separation Device For Waste Oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2021102547A AU2021102547A4 (en) | 2021-05-13 | 2021-05-13 | A Liquid-Liquid-Solid Three-Phase Separation Device For Waste Oil |
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| Publication Number | Publication Date |
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| AU2021102547A4 true AU2021102547A4 (en) | 2021-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2021102547A Ceased AU2021102547A4 (en) | 2021-05-13 | 2021-05-13 | A Liquid-Liquid-Solid Three-Phase Separation Device For Waste Oil |
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| Country | Link |
|---|---|
| AU (1) | AU2021102547A4 (en) |
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2021
- 2021-05-13 AU AU2021102547A patent/AU2021102547A4/en not_active Ceased
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